Wanting in ability or qualification for the purpose or end in view; not large enough to contain or hold; deficient in physical strength, mental or moral power, etc.; not capable; as, incapable of holding a certain quantity of liquid; incapable of endurance, of comprehension, of perseverance, of reform, etc.
- Lacking the necessary ability, capacity, or power: incapable of carrying a tune; incapable of love.
- Unable to perform adequately; incompetent: an incapable administrator.
- Usage Problem Not susceptible to action or treatment: a unique feat, incapable of duplication. See Usage Note at able.
- Law Lacking legal qualifications or requirements; ineligible.